- Country: South Korea
- Genres: Action, Comedy, Drama
- Release: 2013-07-19
- Director: Cheol-soo Jang
- Writers: Bang-hyun Kim , Hong-gi Yun , Hun , Cheol-soo Jang
- Language: Korean
- Stars: Soo Hyun Kim (I) , Gi-woong Park , Lee Hyun Woo (I) , Hyeon-ju Son , Hye-soo Park , Seong-gyoon Kim , Chang-Seok Ko , Chae-yeong Lee , Hye-sook Park , Um Tae-goo
- Runtime: 124 min
- Awards: 5 wins & 2 nominations
- AKA: Covertness (Korea) , Secret (Canada) , 偉大的隱藏者 (Taiwan) , Eun-mil-ha-gae eui-dae-ha-gae , Secretly Greatly (India) , Secretly, Greatly (Philippines) , Secretly, Greatly (Indonesia) , Titokban, Délen (Hungary) , Eunmilhagae euidaehagae (Korea) , Secretly, Greatly , Eun-mil-ha-gae eui-dae-ha-gae (Korea) , Secretamente, grandiosamente (Uruguay, Eastern Republic of) , Ẩn Thân (Vietnam) , Secretly Greatly (Thailand) , Тайная миссия (Russian Federation) , Secretly Greatly (United Kingdom) , Secretly Greatly (United States of America) , シークレット・ミッション (Japan)
- Plot:
As a North Korean sleeper cell agent, Ryu-han infiltrates the South and assumes the role of a village idiot in a rural town. He observes the townsfolk and waits patiently for his mission. One day, after 2 years of playing the role of the village idiot, fellow elite spies Hae-rang, posed as a rock star and Hae-jin, posed as an ordinary student, are dispatched to the same town as Ryu-han. He helps the other two spies settle in and teach them how to adjust in the South. There is a sudden drastic political power shift in the North and all three spies receive an urgent and ultimate mission.
- IMDB:tt2967578
Secretly, Greatly Cast · · · ALL
Cheol-soo Jang
Director
Soo Hyun Kim
(I)
Won Ryu-hwan / Bang Dong-gu
Gi-woong Park
Lee Hae-rang
Lee Hyun Woo
(I)
Lee Hae-jin
Son Hyun-joo
Kim Tae-won
Chang-Seok Ko
Seo Sang-gu
Seong-gyoon Kim
Seo Soo-hyuk
Jeong-geun Sin
Mr. Park
Kyoung-In Hong
Jo Doo-seok
Chae-yeong Lee
Ran
Eun-bin Park
Yoon Yoo-ran
Choi Woo-shik
Yoon Yoo-joon
Goo Seung-Hyeon
Hwang Chi-woong
Um Tae-goo
Hwang Jae-oh
Pub-lae Kim
NIS General Manager
Yeong-jin Jo
Kim Hui-gwan
In-beom Ko
NIS